Magnesium in PDB 1pa2: Arabidopsis Thaliana Peroxidase A2

All present enzymatic activity of Arabidopsis Thaliana Peroxidase A2:
1.11.1.7;

The structure of Arabidopsis Thaliana Peroxidase A2, PDB code: 1pa2 was solved by A.Henriksen, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	99.00 / 1.45
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	46.156, 74.597, 80.446, 90.00, 90.00, 90.00
R / Rfree (%)	14.8 / 18.9

The structure of Arabidopsis Thaliana Peroxidase A2 also contains other interesting chemical elements:

Iron	(Fe)	1 atom
Calcium	(Ca)	2 atoms

The binding sites of Magnesium atom in the Arabidopsis Thaliana Peroxidase A2 (pdb code 1pa2). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Arabidopsis Thaliana Peroxidase A2, PDB code: 1pa2:

Magnesium binding site 1 out of 1 in the Arabidopsis Thaliana Peroxidase A2


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Arabidopsis Thaliana Peroxidase A2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Mg309 b:25.8 occ:1.00 O A:HOH749 1.9 15.4 1.0 O A:HOH762 2.0 22.3 1.0 O A:HOH748 2.2 17.5 1.0 O A:HOH649 3.9 21.4 1.0 OG A:SER238 4.1 10.4 1.0 O A:HOH385 4.2 16.1 1.0 O A:HOH770 4.2 39.9 1.0 O A:ALA234 4.3 6.5 1.0 O A:HOH672 4.4 23.5 1.0 CB A:SER238 4.4 12.0 1.0 CB A:ALA234 4.6 8.0 1.0 C A:ALA234 4.7 5.4 1.0

L.Ostergaard, K.Teilum, O.Mirza, O.Mattsson, M.Petersen, K.G.Welinder, J.Mundy, M.Gajhede, A.Henriksen. Arabidopsis Atp A2 Peroxidase. Expression and High-Resolution Structure of A Plant Peroxidase with Implications For Lignification. Plant Mol.Biol. V. 44 231 2000.
ISSN: ISSN 0167-4412
PubMed: 11117266
DOI: 10.1023/A:1006442618860